Eliminate unnecessary includes of LayoutBlockFlow-derived headers.

third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 29 matching lines @@
 #include "core/editing/iterators/CharacterIterator.h"
 #include "core/editing/iterators/WordAwareIterator.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLTextFormControlElement.h"
 #include "core/layout/LayoutTableCell.h"
 #include "core/layout/LayoutTableRow.h"
-#include "core/layout/LayoutTextControl.h"
 #include "core/layout/LayoutTextFragment.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "platform/fonts/Font.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
 #include <algorithm>
 #include <unicode/utf16.h>
 
 using namespace WTF::Unicode;
 
@@ skipping 1124 matching lines @@
 
 String plainText(const EphemeralRangeInFlatTree& range, TextIteratorBehaviorFlags behavior)
 {
     return createPlainText<EditingInFlatTreeStrategy>(range, behavior);
 }
 
 template class CORE_TEMPLATE_EXPORT TextIteratorAlgorithm<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT TextIteratorAlgorithm<EditingInFlatTreeStrategy>;
 
 } // namespace blink